package com.example.demo;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;

import org.dom4j.Element;
import org.dom4j.dom.DOMElement;
import org.jsoup.Connection;
import org.jsoup.Jsoup;
import com.alibaba.fastjson.JSONObject;

import javax.net.ssl.*;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

public class MakePomFromJars {
	public static void main(String[] args) throws FileNotFoundException, IOException {

		trustEveryone();
		Element dependencys = new DOMElement("dependencys");

		File dir = new File("D:\\develop\\git.1noc.cn\\example\\java\\lib"); // 需生成pom.xml 文件的 lib路径
		for (File jar : dir.listFiles()) {
			JarInputStream jis = new JarInputStream(new FileInputStream(jar));
			Manifest mainmanifest = jis.getManifest();
			jis.close();
			if (mainmanifest == null) {
				continue;
			}
			String bundleName = mainmanifest.getMainAttributes().getValue("Bundle-Name");
			String bundleVersion = mainmanifest.getMainAttributes().getValue("Bundle-Version");
			Element ele = null;
			StringBuffer sb = new StringBuffer(jar.getName());
			if (bundleName != null) {
				bundleName = bundleName.toLowerCase().replace(" ", "-");
				sb.append(bundleName + "\t").append(bundleVersion);
				ele = getDependices(bundleName, bundleVersion);
				// System.out.println(sb.toString());
				// System.out.println(ele.asXML());
			}
			if (ele == null || ele.elements().size() == 0) {
				bundleName = "";
				bundleVersion = "";
				String[] ns = jar.getName().replace(".jar", "").split("-");
				for (String s : ns) {
					if (Character.isDigit(s.charAt(0))) {
						bundleVersion += s + "-";
					} else {
						bundleName += s + "-";
					}
				}
				if (bundleVersion.endsWith("-")) {
					bundleVersion = bundleVersion.substring(0, bundleVersion.length() - 1);
				}
				if (bundleName.endsWith("-")) {
					bundleName = bundleName.substring(0, bundleName.length() - 1);
				}
				ele = getDependices(bundleName, bundleVersion);
				sb.setLength(0);
				sb.append(bundleName + "\t").append(bundleVersion);
				// System.out.println(sb.toString());
				System.out.println(ele.asXML());
			}

			ele = getDependices(bundleName, bundleVersion);
			if (ele.elements().size() == 0) {
				ele.add(new DOMElement("groupId").addText("not find"));
				ele.add(new DOMElement("artifactId").addText(bundleName));
				ele.add(new DOMElement("version").addText(bundleVersion));
			}
			dependencys.add(ele);
			System.out.println();
		}
		System.out.println(dependencys.asXML());
	}

	public static Element getDependices(String key, String ver) {
		System.out.println("key = "+key + " | ver = " + ver);
		Element dependency = new DOMElement("dependency");
		// 设置代理
		// System.setProperty("http.proxyHost", "127.0.0.1");
		// System.setProperty("http.proxyPort", "8090");
		try {
			String url = "http://search.maven.org/solrsearch/select?q=a%3A%22" + key + "%22%20AND%20v%3A%22" + ver
					+ "%22&rows=3&wt=json";

//			System.out.println(url);
			Connection connection = Jsoup.connect(url);
			org.jsoup.nodes.Document doc = connection.ignoreContentType(true).timeout(30000).get();
			String elem = doc.body().text();
			JSONObject response = JSONObject.parseObject(elem).getJSONObject("response");
			if (response.containsKey("docs") && response.getJSONArray("docs").size() > 0) {
				JSONObject docJson = response.getJSONArray("docs").getJSONObject(0);
				Element groupId = new DOMElement("groupId");
				Element artifactId = new DOMElement("artifactId");
				Element version = new DOMElement("version");
				groupId.addText(docJson.getString("g"));
				artifactId.addText(docJson.getString("a"));
				version.addText(docJson.getString("v"));
				dependency.add(groupId);
				dependency.add(artifactId);
				dependency.add(version);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return dependency;
	}



	/**
	 * 信任任何站点，实现https页面的正常访问
	 *
	 */

	public static void trustEveryone() {
		try {
			HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
				public boolean verify(String hostname, SSLSession session) {
					return true;
				}
			});

			SSLContext context = SSLContext.getInstance("TLS");
			context.init(null, new X509TrustManager[] { new X509TrustManager() {
				public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
				}

				public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
				}

				public X509Certificate[] getAcceptedIssuers() {
					return new X509Certificate[0];
				}
			} }, new SecureRandom());
			HttpsURLConnection.setDefaultSSLSocketFactory(context.getSocketFactory());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}